Nitrocellulose membrane
Definition
The porous polymer strip along which sample fluid wicks by capillary action. The test and control line antibodies are immobilised directly on the nitrocellulose. Its pore size controls flow rate and background signal.
Related terms
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- A commercial lateral-flow strip that detects human haemoglobin alpha-chain using a monoclonal antibody. Validated for forensic blood identification, with documented cross-reactivity to...
- Colloidal gold
- Nanometre-scale gold particles that appear red or pink in visible light. Widely used as the reporter particle in lateral-flow strips because they...
- Conjugate pad
- A zone upstream of the test and control lines containing dried detection antibodies pre-bound to colloidal gold or coloured latex particles. On...
- RSID (Rapid Stain Identification)
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- Sandwich immunoassay
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Explained in
- Lateral-Flow and Immunochromatographic Assays in Forensic TestingThe porous polymer strip along which sample fluid wicks by capillary action. The test and control line antibodies are immobilised directly on the nitrocellulos...